Estimating clamping pressure distribution and stiffness in aircraft bolted joints by finite-element analysis-Reference-Cited by-同舟云学术

Estimating clamping pressure distribution and stiffness in aircraft bolted joints by finite-element analysis

Published:2009-07-01 Issue:7 Volume:223 Page:863-871
ISSN:0954-4100
Container-title:Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering
language:en
Short-container-title:Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering

Author:

Oskouei R H¹,Keikhosravy M²,Soutis C³

Affiliation:

1. Department of Mechanical and Aerospace Engineering, Monash University, Clayton, Victoria, Australia

2. Department of Mechanical Engineering, Islamic Azad University, Firuzkooh Branch, Firuzkooh, Iran

3. Aerospace Engineering, The University of Sheffield, Sheffield, UK

Abstract

In this study, a finite-element (FE) stress analysis of aircraft structural double-lap bolted joints was performed using the commercially available computational package ANSYS in order to obtain the clamping pressure distribution and to estimate the stiffness of the joined plates (members) within the clamped region. The joint consists of three aluminium alloy 7075-T6 plates clamped by a single bolt, washer, and nut. A three-dimensional (3D) FE model of the joint was generated, and then subjected to three different simulated clamping forces. 3D surface-to-surface contact elements were employed to model the contact between the various components of the bolted joint. The model included friction between all contacting surfaces, and also a clearance between the bolt shank and the joint hole. FE results revealed an overall crock-shaped pressure distribution at the joined plates. Moreover, some beneficial longitudinal compressive stresses were observed around the fastener hole as a result of the clamping compressive effect.

Publisher

SAGE Publications

Subject

Mechanical Engineering,Aerospace Engineering

Link

http://journals.sagepub.com/doi/pdf/10.1243/09544100JAERO596

Reference24 articles.

1. An Introduction to the Design and Behaviour of Bolted Joints

2. Areas of Contact and Pressure Distribution in Bolted Joints

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